The Run Lehigh Valley is a race series held across the valley! Each race has a different theme and offer something different to make it fun! 4.5 Miles of March Madness: This 4.5 Mile race will begin at the Fish Hatchery and stay completely within Lehigh Parkway. The course is rolling on a mixed, gravel and paved path. The Goods: Each runner receives a long-sleeve technical shirt, beverages, snacks and goodie bags (while supplies last!) Shirts are only guaranteed if registered by February 22...so don't wait!